7881680

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1187}}^1$

素因数の和:1283

約数の個数: 40

約数和(自身を含む): 18561312

約数和(自身を除く): 10679632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1187, 1328, 1660, 2374, 3320, 4748, 5935, 6640, 9496, 11870, 18992, 23740, 47480, 94960, 98521, 197042, 394084, 492605, 788168, 985210, 1576336, 1970420, 3940840, 7881680]

約数ペア:

[(1, 7881680), (2, 3940840), (4, 1970420), (5, 1576336), (8, 985210), (10, 788168), (16, 492605), (20, 394084), (40, 197042), (80, 98521), (83, 94960), (166, 47480), (332, 23740), (415, 18992), (664, 11870), (830, 9496), (1187, 6640), (1328, 5935), (1660, 4748), (2374, 3320)]